A body of mass 5 kg is thrown vertically...

A body of mass 5 kg is thrown vertically up with a kinetic energy of 490 J. What will be height at which the kinetic energy of the body becomes half of the original value ? (Acceleration due to gravity`=9.8ms^(-2)`)

A

12.5 m

B

10 m

C

2.5 m

D

5 m

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The correct Answer is:

D

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